HABITUATION OF VESTIBULAR NYSTAGMUS IN THE CAT DURING SUSTAINED AROUSAL PRODUCED BY D-AMPHETAMINE
ARMY MEDICAL RESEARCH LAB FORT KNOX KY
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The habituation of nystagmus in total darkness was examined for two groups of cats. One group was maintained in a continuous arousal with d-AMPHETAMINE SULFATE AND COMPARED TO THE SECOND GROUP OF UNTREATED CONTROLS. The drug group displayed nystagmus of nearly 60 per cent greater output than the controls but showed the same magnitude of habituation. The data of this experiment confirm the earlier observations. A reducti n arou al is only one variable responsible for a reduction of nystagmus wit repeated te ting and n tagmu still habituates even when a high level of arousal is maintained. other possible responsible factors are discussed.
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